Qi Wang 97dd79db6c Implement deallocation events.
Make the event module to accept two event types, and pass around the event
context.  Use bytes-based events to trigger tcache GC on deallocation, and get
rid of the tcache ticker.
2020-02-04 00:18:15 -08:00
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2020-02-04 00:18:15 -08:00